ul {list-style-type: none; margin: 20px 0px 0px 50px; padding: 0; width:1500px;}
li {display: inline-block; width: 250px; border: 1px solid #abc; margin: 5px; background-color: #aaa; border-radius: 3px;}
li a {display: block;color: #000; padding: 8px 0 8px 16px; text-decoration: blink;}
li a:hover {background-color: green; color: white; border-radius: 3px;}

.displayArea {margin-left: 5px; margin-top:10px; margin-bottom: 10px; width:300px; height:20px; background-color:#abc; display:none; padding-left:10px; padding-top:1px; color:red;}
.shade {height:1000px;width:1500px;z-index:2; position:absolute; left:0px; top:0px; background-color: #333; opacity: 0.1; display:none;}